Ew, poo!

What do you know about poo?

Poo, turds, faeces. They're smelly, but everyone does them! But
what is poo made of?

Water

About three quarters of your poo is made of water. Most of the
nutrients - the goodness from food - are absorbed by your small
intestine. Some of the water is absorbed by your large
intestine.

The longer a poo stays in the large intestine, the drier it will
be! See How long are
your intestines? to find out more about the small and large
intestines.

Bacteria

Around 8% of the turd is made of dead bacteria. Bacteria live in
your intestines to help you digest your food. When the bacteria
die, they are swept along your intestines with water and undigested
food, to come out the other end as poo!

Undigested food

Another 8% of the food is made up of undigested food. Plant
cells are made from cellulose and we can't digest this. This
undigested food is called fibre. Fibre helps poo to move along your
intestine.

Other stuff

The other 8% of your poo is made of fats, salts and dead cells
from your intestine.